ONTO — ONTO INNOVATION INC.Today's name, from the SEC's present-day ticker list — a present-day mapping, not the name as of each filing.

Congress trades
5
all time
Members · 12m
0
0 buys · 0 sells · by trade date
Latest filing
06-09
2025-06-09
Rows filed past the STOCK Act's 45-day window, stated on the row, never editorialised; both dates and the receipt stay on every row.
3
13F holders
500
all listed · 2026-03-31
Congress: statutory ranges, filed up to 45 days after the trade · 13F: quarter-end snapshots, filed up to 45 days lateras of 2026-10-29
Congress 5Institutional 500

Congress · disclosure timeline

By trade date · 24 months · 2 rows ▲ buy, ▼ sell; height = lower bound (log scale). Trade date, not filing date — the filing lag is in the table below.

2 dated disclosures in the window, placed by trade date; magnitudes are the disclosed lower bounds, against gridlines at $15K, $250K, $5M.

Members active in ONTO

12 months · most active first Rows = number of disclosures, not dollars. Net = lower bound of the net range. Committees as of each member's latest trade in the window (roster snapshot 2026-10-29).

No member disclosed ONTO in the trailing 12 months.

Congressional disclosures

Newest filed firstAll 5 rows ↗
Latest congressional filings mentioning ONTO
FiledMemberSide · OwnerTraded · LagAmountRange · FlagsSrc
2025-06-09Robert P. Bresnahan, Jr. R–PA-8SELLTraded 05-12 +28d$1K–$15K
2025-06-09Robert P. Bresnahan, Jr. R–PA-8SELL partial (partial sale)Traded 05-09 +31d$1K–$15K
2021-08-26Tom Malinowski D–NJ-7SELLTraded 2020-04-30 LATE·483d$1K–$15K
2021-03-05Tom Malinowski D–NJ-7SELLTraded 2020-05-01 LATE·308d$1K–$15K
2021-03-05Tom Malinowski D–NJ-7SELLTraded 2020-04-21 LATE·318d$1K–$15K

13F holders · Quarter ended 2026-03-31Newest filing in this build: 2026-07-31. Per-row filing dates are on each receipt. · longs only

Top institutional holders of ONTO for quarter 2026-03-31, 1–25 of 500 holders
#FilerValueSecuritiesFlagsderived by Public Filings from this build's reviewed ticker-mapping holders list for this share class; that list carries each holder's share count, share change and filed date, which this table does not show, but no document links — the EDGAR link opens the filer's 13F list·§
1BlackRock, Inc.$1.1B1
derived ·§ EDGAR ↗
2VANGUARD PORTFOLIO MANAGEMENT LLC$563M1
derived ·§ EDGAR ↗
3VANGUARD CAPITAL MANAGEMENT LLC$456M1
derived ·§ EDGAR ↗
4STATE STREET CORP$308M1
derived ·§ EDGAR ↗
5GEODE CAPITAL MANAGEMENT, LLC$248M1
derived ·§ EDGAR ↗
6Point72 Asset Management, L.P.$247M1
derived ·§ EDGAR ↗
7PARADIGM CAPITAL MANAGEMENT INC/NY$226M1
derived ·§ EDGAR ↗
8WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC$198M1
derived ·§ EDGAR ↗
9VOYA INVESTMENT MANAGEMENT LLC$188M1
derived ·§ EDGAR ↗
10FMR LLC$170M1
derived ·§ EDGAR ↗
11D. E. Shaw & Co., Inc.$148M1
derived ·§ EDGAR ↗
12DIMENSIONAL FUND ADVISORS LP$139M1
derived ·§ EDGAR ↗
13Fisher Asset Management, LLC$133M1
derived ·§ EDGAR ↗
14Invesco Ltd.$130M1
derived ·§ EDGAR ↗
15JANE STREET GROUP, LLC$124M1
derived ·§ EDGAR ↗
16AQR CAPITAL MANAGEMENT LLC$121M1
derived ·§ EDGAR ↗
17FRANKLIN RESOURCES INC$119M1
derived ·§ EDGAR ↗
18Bank of New York Mellon Corp$116M1
derived ·§ EDGAR ↗
19JENNISON ASSOCIATES LLC$116M1
derived ·§ EDGAR ↗
20WELLINGTON MANAGEMENT GROUP LLP$112M1
derived ·§ EDGAR ↗
21CHARLES SCHWAB INVESTMENT MANAGEMENT INC$109M1
derived ·§ EDGAR ↗
22NORTHERN TRUST CORP$93.5M1
derived ·§ EDGAR ↗
23UBS Group AG$90.1M1
derived ·§ EDGAR ↗
24MORGAN STANLEY$89.4M1
derived ·§ EDGAR ↗
25Allspring Global Investments Holdings, LLC$76.2M1
derived ·§ EDGAR ↗
Show all 500 holders
Truncated by Public Filings. All 473 13F filers reporting this share class are listed. Method ↗

Crowding — not available in this build. No holder rows for the selected period, so no percentile can be ranked.

Congress ↔ notable managers · ONTO

Congress · last 90 days

Buyers
0 — —
Sellers
0 — —

filed 2026-07-31 → 2026-10-29 · statutory ranges

Notable managers · quarter ended 2026-03-31

by shares · $ = value heldNEW + ADD vs TRIM + EXIT, by share count. $ = reported value now, not the change. · ONTO INNOVATION INC

Merged timeline of congressional filings and notable-manager moves on ONTO
DateWhoChangeSize
2026-05-15Bridgewater Associates 13FADD+255,269 sh
2026-05-15Tudor Investment Corp 13FADD+34,448 sh
2026-05-15Glenview Capital 13FTRIM−115,091 sh
2026-05-15Gotham Asset Management 13FTRIM−32,091 sh
2026-05-14Caxton Associates 13FEXIT−12,563 sh

5 newest, by filing date · 13F rows are quarter-end snapshots, not trades

Congress vs filers

12 months
Congress net (rows)no rows
Congress net ($ bound)$0
Filersnot computedThe filer side needs per-issuer quarter-over-quarter actions, which the published aggregate does not carry for this issuer. Convergence and divergence are stated only when both sides are computed.